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The Human Life Cycle

The Human Life Cycle Review

QuestionAnswer
A sperm cell moves due to the motion of its ___________. TAIL
The joining of one sperm cell and one egg cell is called ______________. FERTILIZATION
A _______________ is a fertilized egg that travels down the oviduct and enters the uterus. ZYGOTE
During _____________, a mature egg leaves an ovary and travels into the oviduct. OVULATION
The _________ is a developing baby. FETUS
The _____________ is a thick, ropelike structure that carries nourishment from the placenta to the embryo. UMBILICAL CORD
The ___________ is an organ that has blood vessels that connect mother and baby and sends nourishment to the embryo and gets rid of wastes. PLACENTA
An _____________ is a developing human for the first eight weeks. EMBRYO
A bag filled with fluid to help keep the developing baby from getting hurt is known as the _______________. AMNIOTIC SAC
Fertilization occurs in the ___________ of a female. OVIDUCT
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